Math 200 Elementary Algebra
Practice Exam #1
1. Evaluate the following expression if a = 3, b = -5, and c = -2
b2 a(3c + b)
2. Simplify: a.
12
11
5
3
b.
5
3
2
18
13
c.
yxyx 374
d.
2 3 1
2
2
3
y x y x
3. Is x = 5 a solution to the equation
105
2
x
? Explain.
4. Solve the following equations:
a. 3x 5 = 7 d.
1425 xx
b. 5 x = 10 e. 3x + 5 = 2(x 3)
c.
1
25 10x
f.
1
321
21x x
5. Solve the following equation for y:
523 yx
6. Simplify:
5 3 4 8 6 7 2 6
7. The sum of three consecutive even integers is 222. Describe each integer in terms of x and
then find the integers.
8. A taxi cab charges $5.00 for a ride plus $1.25 per mile. If Joe has only $40.00 how far can
he go? (Set up an algebraic inequality then solve it)
9. Fifteen less than the product of four and a number is the difference between six times the
number and eleven. Find the number.
10. 8 out of every 9 people are right handed. If a factory has 192 workers, how many are left-
handed?
11. Aaron‘s score improved 14 points from test 1 to test 2. This represents a 20% improvement.
What were Aaron’s scores on each of the tests?
12. Find and graph the solution and write the solution in interval notation.
a.
10 2 16 x
b.
3 2 5x
